1,1-di(thiophen-2-yl)butane-1,4-diol

4-hydroxy-1-thiophen-2-ylbutan-1-one

2,3-二氢-1H-吡咯并[1,2-A]苯并咪唑

1-hydroxytridecan-4-one

2-氧代四氢呋喃-3-羧酸乙酯